KR102655226B1 - Outlet charging plug for electric vehicle - Google Patents

Abstract

When the plug connector of the main body is inserted into the connection connector of the inlet and the locking part is supported by the locking member of the connection connector, unlocking of the locking part is prevented through manipulation of the unlocking prevention control unit, thereby ensuring the stability of the plug connector to the connection connector. An invention for an improved outlet charger for electric vehicles is disclosed.
The disclosed outlet charger for an electric vehicle includes a main body including a plug connector that is connectably inserted into a connection connector provided in an inlet, and a body so that the plug connector is caught or released from a locking member of the connection connector when it is inserted into the connection connector. It is characterized in that it includes a locking part provided in the main body and a locking prevention operation part that prevents the locking part from being unlocked from the locking member through manipulation by an external force while the locking part is caught in the locking member.

Description

Outlet charger for electric vehicles {OUTLET CHARGING PLUG FOR ELECTRIC VEHICLE}

The present invention relates to an outlet charger for electric vehicles, and more specifically, in a state where the plug connector of the main body is inserted into the connection connector of the inlet and the locking part is supported by the locking member of the connection connector, the locking part is operated by manipulating the unlocking prevention operation unit. It relates to an outlet charger for an electric vehicle that improves the stability of fastening a plug connector to a connection connector by preventing unlocking.

Recently, as environmental issues have become an issue, eco-friendly cars have been highlighted as a target for energy conservation and minimizing environmental pollution. In particular, hydrogen fuel cell vehicles, biodiesel vehicles, and electric vehicles are attracting attention as they are intended to replace vehicles consisting of existing internal combustion engines.

Among these, an electric vehicle is a vehicle that runs on electricity, storing electrical energy in a battery and using it as raw material. Electric vehicles can be divided into EV (Electric Vehicle), PHEV (Plug-in Hybrid EV), and HEV (Hybrid EV) depending on the method and rate of use of electric energy.

Here, HEV (Hybrid EV) is a vehicle that combines two types of power, an internal combustion engine and an electric motor, and is characterized by higher fuel efficiency and higher efficiency than existing internal combustion engine vehicles. PHEV (Plug-in Hybrid EV) refers to a vehicle designed to be used by charging the HEV's battery externally, and EV (Electric Vehicle) refers to a vehicle that is driven only by a battery and an electric motor.

In particular, HEV, PHEV, and EV vehicles commonly use electrical energy to drive the vehicle. HEV generates and uses electrical energy within the vehicle, while PHEV and EV receive power from outside. Electric vehicles that receive power from an external source are equipped with a fast charger and a slow charger to charge the battery.

The batteries of these electric vehicles can be charged with a fast charger or a slow charger. The fast charger is a charger that converts 380V of three-phase alternating current into direct current and can complete charging of the battery within 30 minutes. In other words, a quick charger is used by connecting to the quick charging unit of an electric vehicle, and is directly connected to the battery of the electric vehicle to apply electrical energy.

Meanwhile, the slow charger is a charger that uses a 220V single-phase AC power source and takes about 6 hours to charge the battery. In other words, the slow charger is used by connecting to the slow charger of an electric vehicle, and applies electrical energy to the battery through a converter that converts AC power to DC power inside the electric vehicle.

Recently, with the increase in commercialized electric vehicles, the problem of charging infrastructure for electric vehicles has become an issue. Fast chargers for electric vehicles are usually installed at gas stations or charging stations dedicated to electric vehicles, while slow chargers are installed in places where long-term parking is expected, such as parking lots or shopping malls. Both fast and slow chargers are designed to allow charging regardless of battery manufacturer and type.

However, the conventional slow charger not only has the problem of being separated from the slow charger and stopping charging when an external force is applied while connected to the slow charger, but also has the problem of whether or not it will be charged if it is incompletely connected to the slow charger due to the user's carelessness. There is a problem that cannot be accurately confirmed.

Therefore, there is a need to improve this.

Related background technology includes Republic of Korea Patent Publication No. 10-2018-0077692 (published on July 9, 2018, name: Charging Outlet).

The present invention was created in response to the above-mentioned need, and in a state where the plug connector of the main body is inserted into the connection connector of the inlet and the locking part is supported by the locking member of the connection connector, the locking part is released by manipulating the unlocking prevention operation unit. The purpose is to provide an outlet charger for electric vehicles that improves the stability of the connection of the plug connector to the connection connector by preventing the connection.

In order to achieve the above object, an outlet charger for an electric vehicle according to the present invention includes a main body including a plug connector that can be connected to a connection connector provided in an inlet, and when the plug connector is inserted into the connection connector, the connection A locking part provided in the main body to be locked or released from the locking member of the connector, and a locking prevention operation unit that prevents the locking part from being locked from the locking member through manipulation by external force while the locking part is caught on the locking member. It is characterized by including.

The locking portion includes an extension support portion extending to protrude from the circumferential surface of the main body, a latch member hinged to the extension support portion to engage or release the locking member from the locking member, and a latch member configured to rotate the latch member so that it can be restored. and an elastic member provided between the extension support portion, a through-hole portion formed on a peripheral surface of the main body adjacent to the extension support portion, and a press-operable disposed portion in the through-hole portion to release the latch member from the locking member. It is characterized by including a locking release rotation lever that is rotated as much as possible.

The unlocking prevention operation unit includes a moving guide portion formed on the circumferential surface of the main body to extend from the through hole portion, and a fitting space disposed in the moving guide portion and removably fitted into the latch member and the unlocking rotation lever. It is characterized in that it includes a fitting locking member formed in the unit and a separation prevention moving guide that guides the fitting locking member to slide while being prevented from leaving the moving guide part.

The separation prevention movement guide is receptively connected to the main body and includes a support bracket that slides and supports the insertion locking member, and the movement guide when the insertion locking member is moved to be disengaged from the latch member and the unlocking rotation lever. It is characterized by comprising a locking groove recessed in the circumferential surface of the fitting locking member so as to be caught on the inner surface of the hole portion.

The outlet charger for an electric vehicle according to the present invention has a structure in which the plug connector of the main body is inserted into the connection connector of the inlet, and the locking part is locked and supported by the locking member of the connection connector, and the locking part is prevented from being unlocked by manipulating the unlocking prevention operation unit. By having , there is an effect of improving the fastening stability of the plug connector to the connection connector.

In addition, the present invention has the effect of inducing normal insertion of the plug connector because when the plug connector is incompletely inserted into the connection connector, it is impossible to operate the jamming prevention operation unit and defective fastening of the plug connector can be confirmed.

Figure 1 is a perspective view showing an outlet charger for an electric vehicle according to an embodiment of the present invention.
Figure 2 is an exploded perspective view showing an outlet charger for an electric vehicle according to an embodiment of the present invention.
Figure 3 is a cross-sectional view showing an outlet charger for an electric vehicle according to an embodiment of the present invention.
Figure 4 is an operational diagram showing a state in which the outlet charger for an electric vehicle according to an embodiment of the present invention is incompletely connected to the inlet, making it impossible to operate the anti-lock control unit.
Figure 5 is an operational diagram showing the operating state of the locking prevention control unit in the outlet charger for electric vehicles according to an embodiment of the present invention.

Hereinafter, an outlet charger for an electric vehicle according to an embodiment of the present invention will be described with reference to the attached drawings. In this process, the thickness of lines or sizes of components shown in the drawing may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Figure 1 is a perspective view showing an outlet charger for an electric vehicle according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing an outlet charger for an electric vehicle according to an embodiment of the present invention, and Figure 3 is a perspective view showing an outlet charger for an electric vehicle according to an embodiment of the present invention. It is a cross-sectional view showing an outlet charger for an electric vehicle according to an embodiment of the present invention, and Figure 4 shows a state in which the outlet charger for an electric vehicle according to an embodiment of the present invention is incompletely connected to the inlet, making it impossible to operate the jam release prevention operation unit. This is an operational diagram, and Figure 5 is an operational diagram showing the operating state of the locking prevention control unit in the outlet charger for an electric vehicle according to an embodiment of the present invention.

As shown in Figures 1 to 5, the charging outlet 1 for an electric vehicle according to an embodiment of the present invention includes a main body 10, a locking part 20, and an unlocking prevention operation part 30.

The main body 10 is provided with a plug connector 11 that can be connected to the connection connector 3a provided in the inlet 3 of the electric vehicle.

This main body 10 serves to provide a space where the locking unit 20 and the locking prevention operation unit 30 are operably installed. At this time, the main body 10 is made of an insulating material and can be changed into various shapes.

In addition, the locking portion 20 is provided in the main body 10 so that when the plug connector 11 is inserted into the connection connector 3a, it is locked or released from the locking member 3b of the connection connector 3a.

This locking portion 20 is elastically supported by the locking member 3b at the moment the plug connector 11 is inserted into the connection connector 3a, and is released from the locking member 3b by a pressing operation using an external force. do.

For this purpose, the locking part 20 includes an extension support part 21, a latch member 22, an elastic member 23, a through hole part 24, and a locking release rotation lever 25.

The extension support portion 21 is formed to extend so as to protrude from the peripheral surface of the main body 10. This extended support portion 21 serves to provide a space in which the latch member 22 is supported so that it can rotate.

Then, the latch member 22 is hingedly connected to the extension support portion 21 and is locked or released from the locking member 3b. At this time, the hinge shaft 22a is formed to protrude from the middle portion in the longitudinal direction of the latch member 22, and a support groove 21a is formed on the inner surface of the extended support portion 21 so that the hinge shaft 22a can be supported. is formed.

The elastic member 23 is provided between the latch member 22 and the extended support portion 21 so that the latch member 22 can be rotated to allow restoration. Here, a seating groove portion 22b is formed in the latch member 22 to accommodate one side of the elastic member 23, and a fitting member is inserted into the other side of the elastic member 23 inside the extension support portion 21. (21b) is formed to protrude.

In addition, the through hole portion 24 is formed on the peripheral surface of the main body 10 so as to be adjacent to the extended support portion 21. This through-hole portion 24 serves to provide a space in which the lock release rotation lever 25 can be installed to be movable by pressing it by an external force.

The locking release rotation lever 25 is disposed in the through-hole portion 24 so as to be pressable and rotates the latch member 22 to be unlocked from the locking member 3b. At this time, a locking protrusion (25a) is formed on the circumferential surface of the locking release rotation lever (25) to prevent it from being separated from the through-hole portion (24).

That is, when the plug connector 11 is inserted into the connection connector 3a and the latch member 22 comes into contact with the locking member 3b, the latch member 22 is bent to compress the elastic member 23, and then the locking member 3b ), it is restored by the elastic member 23 and supported by the locking member 3b.

Conversely, in order to separate the plug connector 11 from the connecting connector 3a, when the locking release rotation lever 25 is pressed, the latch member 22 is tilted to compress the elastic member 23 and the locking member 3b ) is converted to a state in which the jam can be released, and when the pressing force applied to the jam release rotation lever (25) is removed, it is restored by the elastic member (23).

Meanwhile, the locking prevention operation unit 30 prevents the locking part 20 from being unlocked from the locking member 20 through manipulation by an external force while the locking part 20 is caught on the locking member 3b.

Specifically, the locking prevention operation unit 30 is disposed in the moving guide hole part 31 formed on the peripheral surface of the main body 10 so as to extend to the through hole part 24, and the moving guide hole part 31, and the latch member ( 22) and the insertion locking member 32, which is formed with an insertion space portion 32a detachably fitted to the circumferential surface of the unlocking pivot lever 25, and the insertion locking member 32 are separated from the moving guide portion 31. It includes a departure prevention movement guide (33) that guides the slide movement while being prevented.

Here, the separation prevention moving part 33 is acceptably connected to the main body 10, and the support bracket 33a supports the fitting locking member 32 so that it can be slidably moved, and the fitting locking member 32 is connected to the latch member 22. ) and a locking groove portion (33b) recessed on the circumferential surface of the insertion locking member (32) so that it can be hooked onto the inner surface of the movement guide portion (31) when moved to be released from the locking release rotation lever (25). .

That is, when the user moves the insertion locking member 32 toward the release rotation lever 25 while the latch member 22 is supported by the locking member 3b, the fitting space portion 32a is connected to the release rotation lever ( 25) and part of the latch member 22 are accommodated to prevent the lock release rotation lever 25 from being pressed. Conversely, when the user moves the insertion locking member 32 to the opposite side of the release rotation lever 25 while the latch member 22 is supported by the locking member 3b, the fitting space portion 32a rotates to release the lock. It is separated from the lever (25) and the latch member (22) to allow the pressing of the locking release rotation lever (25), and the insertion locking member (32) is attached to the inner surface of the moving guide portion (31) by the locking groove (33b). It is inserted so that it can be caught.

Accordingly, the pressing of the locking release rotation lever 25 can be prevented or allowed depending on the moving direction of the insertion locking member 32, so that the plug connector 11 is separated from the connection connector 3a due to unexpected shock or unintentional pressing. ) is separated, preventing charging from being interrupted.

In addition, when the plug connector 11 is moved to the side of the unlocking rotation lever 25 while the plug connector 11 is incompletely inserted into the connection connector 3a, the locking member 32 is connected to the latch member 22. Since it is caught at the end and cannot be moved, defective fastening of the plug connector 11 can be confirmed, making it possible to induce normal insertion of the plug connector 11.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will recognize that various modifications and other equivalent embodiments are possible therefrom. You will understand. Therefore, the true technical protection scope of the present invention should be determined by the scope of the patent claims below.

10: Body 11: Plug connector
20: locking part 21: extension support part
22: latch member 23: elastic member
24: Through hole part 25: Jam release rotation lever
30: Jam release prevention control unit 31: Movement guide unit
32: Fitting locking member 33: Inside the anti-separation movement

Claims (4)

A main body provided with a plug connector that can be connected to a connection connector provided in the inlet;
a locking portion provided in the main body so that the plug connector is locked or released from a locking member of the connection connector when the plug connector is inserted into the connection connector; and
A locking prevention operation unit that prevents the locking part from being unlocked from the locking member through manipulation by an external force while the locking part is caught on the locking member,
The locking portion includes an extension support portion extending to protrude from the circumferential surface of the main body, a latch member hinged to the extension support portion to engage or release the locking member from the locking member, and a latch member configured to rotate the latch member so that it can be restored. and an elastic member provided between the extension support portion, a through-hole portion formed on a peripheral surface of the main body adjacent to the extension support portion, and a press-operable disposed portion in the through-hole portion to release the latch member from the locking member. It includes a locking release rotation lever that can be rotated as much as possible,
The unlocking prevention operation unit includes a moving guide portion formed on the circumferential surface of the main body to extend from the through hole portion, and a fitting space disposed in the moving guide portion and removably fitted into the latch member and the unlocking rotation lever. An outlet charger for an electric vehicle, comprising an additionally formed insertion locking member and a separation prevention moving guide that guides the insertion locking member to slide while being prevented from being separated from the movement guide portion.
delete delete According to paragraph 1,
The escape prevention movement guide is,
a support bracket receptively connected to the main body and supporting the insertion locking member to be slidably movable; and
A locking groove portion recessed in the circumferential surface of the locking member so as to be caught on an inner surface of the moving guide portion when the locking member is moved to be released from the latch member and the locking release rotation lever;
An outlet charger for an electric vehicle, comprising:

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